When playing any FPS - First Person Shooter - the player, usually a noob player, spins in a circle shooting wildly. Preferred weapons to use are machine guns, but other weapons such as rocket launchers or auto shotguns can be used successfully. To do a successful ROFL COPTER, the player must actually score a kill.

An individual who replies with an unusually high frequency of overly used acronyms, and is always one of the first five individuals to comment on any content posted to social media websites.

A member of the baby boom generation that has finally discovered acronyms and uses them at any given opportunity hovering, much like a helicopter, waiting to drop in on your Facebook wall with a ROFL.

Steve's girlfriend is a roflcopter. She always comments LOL, OMG,LMAO,or ROFL to every picture I post. She's so dumb and unimaginative she can't say anything else, and has nothing better to do than to comment on my FaceBook Status

a form of sex in which the male participant lies down on the ground.the female then gets on the male in the cowgirl position, proceeding to spin around and around on his dick until the pair begin to hover in the air. People engaging in roflcopter may or may not laugh Hysterically.